N-(p-羟基苯乙基)- N-甲酰基色胺甲酰胺

N-(5-methyl-1,2-oxazol-4-yl)formamide

diethyl 6-oxopyran-3,4-dicarboxylate

萘嵌苯酮

1,1-bis(4-methoxyphenyl)propan-2-one